#expected fail
#observed fail
./Grades 25 25

#expected component fail
#observed pass
./Grades 45 90

#expected to test above again
#observed pass
./Grades 90 45

#expected component fail
#observed pass
./Grades 67 15

#expected fail
#observed Segmentation fault (core dumped)
./Grades 45

#expected pass
#observed pass
./Grades 50 80

#expected pass
#observed pass
./Grades 50 81

#expected pass
#observed pass
./Grades 49 81

#expected pass with distinction 
#observed pass with distinction 
./Grades 80 80

#expected pass with distinction 
#observed forces re-input
./Grades 100 100

#expected invalid input
#observed fail
./Grades 100 -1

#expected invalid input
#observed forces re-input
./Grades 157 128

